dnl Functions for libfdatetime
dnl
dnl Version: 20160220

dnl Function to detect if libfdatetime is available
dnl ac_libfdatetime_dummy is used to prevent AC_CHECK_LIB adding unnecessary -l<library> arguments
AC_DEFUN([AX_LIBFDATETIME_CHECK_LIB],
 [dnl Check if parameters were provided
 AS_IF(
  [test "x$ac_cv_with_libfdatetime" != x && test "x$ac_cv_with_libfdatetime" != xno && test "x$ac_cv_with_libfdatetime" != xauto-detect],
  [AS_IF(
   [test -d "$ac_cv_with_libfdatetime"],
   [CFLAGS="$CFLAGS -I${ac_cv_with_libfdatetime}/include"
   LDFLAGS="$LDFLAGS -L${ac_cv_with_libfdatetime}/lib"],
   [AC_MSG_WARN([no such directory: $ac_cv_with_libfdatetime])
   ])
  ])

 AS_IF(
  [test "x$ac_cv_with_libfdatetime" = xno],
  [ac_cv_libfdatetime=no],
  [dnl Check for a pkg-config file
  AS_IF(
   [test "x$cross_compiling" != "xyes" && test "x$PKGCONFIG" != "x"],
   [PKG_CHECK_MODULES(
    [libfdatetime],
    [libfdatetime >= 20160220],
    [ac_cv_libfdatetime=yes],
    [ac_cv_libfdatetime=no])
   ])

  AS_IF(
   [test "x$ac_cv_libfdatetime" = xyes],
   [ac_cv_libfdatetime_CPPFLAGS="$pkg_cv_libfdatetime_CFLAGS"
   ac_cv_libfdatetime_LIBADD="$pkg_cv_libfdatetime_LIBS"],
   [dnl Check for headers
   AC_CHECK_HEADERS([libfdatetime.h])

   AS_IF(
    [test "x$ac_cv_header_libfdatetime_h" = xno],
    [ac_cv_libfdatetime=no],
    [dnl Check for the individual functions
    ac_cv_libfdatetime=yes

    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_get_version,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])

    dnl FAT date time functions
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_fat_date_time_initialize,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_fat_date_time_free,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_fat_date_time_copy_from_byte_stream,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_fat_date_time_copy_from_32bit,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_fat_date_time_copy_to_32bit,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_fat_date_time_copy_to_utf8_string,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_fat_date_time_copy_to_utf8_string_with_index,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_fat_date_time_copy_to_utf16_string,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_fat_date_time_copy_to_utf16_string_with_index,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_fat_date_time_copy_to_utf32_string,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_fat_date_time_copy_to_utf32_string_with_index,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])

    dnl FILETIME functions
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_filetime_initialize,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_filetime_free,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_filetime_copy_from_byte_stream,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_filetime_copy_from_64bit,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_filetime_copy_to_64bit,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_filetime_copy_to_utf8_string,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_filetime_copy_to_utf8_string_with_index,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_filetime_copy_to_utf16_string,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_filetime_copy_to_utf16_string_with_index,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_filetime_copy_to_utf32_string,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_filetime_copy_to_utf32_string_with_index,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_filetime_add,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])

    dnl Floatingtime functions
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_floatingtime_initialize,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_floatingtime_free,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_floatingtime_copy_from_byte_stream,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_floatingtime_copy_from_64bit,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_floatingtime_copy_to_64bit,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_floatingtime_copy_to_utf8_string,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_floatingtime_copy_to_utf8_string_with_index,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_floatingtime_copy_to_utf16_string,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_floatingtime_copy_to_utf16_string_with_index,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_floatingtime_copy_to_utf32_string,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_floatingtime_copy_to_utf32_string_with_index,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])

    dnl HFS time functions
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_hfs_time_initialize,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_hfs_time_free,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_hfs_time_copy_from_byte_stream,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_hfs_time_copy_from_32bit,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_hfs_time_copy_to_32bit,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_hfs_time_copy_to_utf8_string,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_hfs_time_copy_to_utf8_string_with_index,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_hfs_time_copy_to_utf16_string,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_hfs_time_copy_to_utf16_string_with_index,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_hfs_time_copy_to_utf32_string,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_hfs_time_copy_to_utf32_string_with_index,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])

    dnl NSF timedate functions
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_nsf_timedate_initialize,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_nsf_timedate_free,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_nsf_timedate_copy_from_byte_stream,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_nsf_timedate_copy_from_64bit,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_nsf_timedate_copy_to_64bit,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_nsf_timedate_copy_to_utf8_string,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_nsf_timedate_copy_to_utf8_string_with_index,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_nsf_timedate_copy_to_utf16_string,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_nsf_timedate_copy_to_utf16_string_with_index,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_nsf_timedate_copy_to_utf32_string,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_nsf_timedate_copy_to_utf32_string_with_index,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])

    dnl POSIX time functions
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_posix_time_initialize,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_posix_time_free,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_posix_time_copy_from_byte_stream,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_posix_time_copy_from_32bit,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_posix_time_copy_to_32bit,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_posix_time_copy_from_64bit,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_posix_time_copy_to_64bit,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_posix_time_copy_to_utf8_string,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_posix_time_copy_to_utf8_string_with_index,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_posix_time_copy_to_utf16_string,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_posix_time_copy_to_utf16_string_with_index,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_posix_time_copy_to_utf32_string,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_posix_time_copy_to_utf32_string_with_index,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])

    dnl Systemtime functions
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_systemetime_initialize,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_systemetime_free,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_systemetime_copy_from_byte_stream,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_systemetime_copy_to_utf8_string,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_systemetime_copy_to_utf8_string_with_index,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_systemetime_copy_to_utf16_string,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_systemetime_copy_to_utf16_string_with_index,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_systemetime_copy_to_utf32_string,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])
    AC_CHECK_LIB(
     fdatetime,
     libfdatetime_systemetime_copy_to_utf32_string_with_index,
     [ac_cv_libfdatetime_dummy=yes],
     [ac_cv_libfdatetime=no])

   ac_cv_libfdatetime_LIBADD="-lfdatetime"
   ])
  ])
 ])

 AS_IF(
  [test "x$ac_cv_libfdatetime" = xyes],
  [AC_DEFINE(
   [HAVE_LIBFDATETIME],
   [1],
   [Define to 1 if you have the `fdatetime' library (-lfdatetime).])
  ])

 AS_IF(
  [test "x$ac_cv_libfdatetime" = xyes],
  [AC_SUBST(
   [HAVE_LIBFDATETIME],
   [1]) ],
  [AC_SUBST(
   [HAVE_LIBFDATETIME],
   [0])
  ])
 ])

dnl Function to detect how to enable libfdatetime
AC_DEFUN([AX_LIBFDATETIME_CHECK_ENABLE],
 [AX_COMMON_ARG_WITH(
  [libfdatetime],
  [libfdatetime],
  [search for libfdatetime in includedir and libdir or in the specified DIR, or no if to use local version],
  [auto-detect],
  [DIR])

 AX_LIBFDATETIME_CHECK_LIB

 dnl Check if the dependencies for the local library version
 AS_IF(
  [test "x$ac_cv_libfdatetime" != xyes],
  [ac_cv_libfdatetime_CPPFLAGS="-I../libfdatetime";
  ac_cv_libfdatetime_LIBADD="../libfdatetime/libfdatetime.la";

  ac_cv_libfdatetime=local

  AC_DEFINE(
   [HAVE_LOCAL_LIBFDATETIME],
   [1],
   [Define to 1 if the local version of libfdatetime is used.])
  AC_SUBST(
   [HAVE_LOCAL_LIBFDATETIME],
   [1])
  ])

 AM_CONDITIONAL(
  [HAVE_LOCAL_LIBFDATETIME],
  [test "x$ac_cv_libfdatetime" = xlocal])
 AS_IF(
  [test "x$ac_cv_libfdatetime_CPPFLAGS" != "x"],
  [AC_SUBST(
   [LIBFDATETIME_CPPFLAGS],
   [$ac_cv_libfdatetime_CPPFLAGS])
  ])
 AS_IF(
  [test "x$ac_cv_libfdatetime_LIBADD" != "x"],
  [AC_SUBST(
   [LIBFDATETIME_LIBADD],
   [$ac_cv_libfdatetime_LIBADD])
  ])

 AS_IF(
  [test "x$ac_cv_libfdatetime" = xyes],
  [AC_SUBST(
   [ax_libfdatetime_pc_libs_private],
   [-lfdatetime])
  ])

 AS_IF(
  [test "x$ac_cv_libfdatetime" = xyes],
  [AC_SUBST(
   [ax_libfdatetime_spec_requires],
   [libfdatetime])
  AC_SUBST(
   [ax_libfdatetime_spec_build_requires],
   [libfdatetime-devel])
  ])
 ])

